void setup() {
 pinMode(1, OUTPUT);
 pinMode(2, OUTPUT);
 pinMode(3, OUTPUT);
 pinMode(4, OUTPUT);
 pinMode(5, OUTPUT);
 pinMode(6, OUTPUT);
 pinMode(7, OUTPUT);
 pinMode(8, OUTPUT);
}

void loop() {
  runningLED(1,0,0,0,0,0,0,0);
  delay(200);
  runningLED(0,1,0,0,0,0,0,0);
  delay(200);
  runningLED(0,0,1,0,0,0,0,0);
  delay(200);
  runningLED(0,0,0,1,0,0,0,0);
  delay(200);
  runningLED(0,0,0,0,1,0,0,0);
  delay(200);
  runningLED(0,0,0,0,0,1,0,0);
  delay(200);
  runningLED(0,0,0,0,0,0,1,0);
  delay(200);
  runningLED(0,0,0,0,0,0,0,1);
  delay(200);
  runningLED(0,0,0,0,0,0,1,0);
  delay(200);
  runningLED(0,0,0,0,0,1,0,0);
  delay(200);
  runningLED(0,0,0,0,1,0,0,0);
  delay(200);
  runningLED(0,0,0,1,0,0,0,0);
  delay(200);
  runningLED(0,0,1,0,0,0,0,0);
  delay(200);
  runningLED(0,1,0,0,0,0,0,0);
  delay(200);
  runningLED(1,0,0,0,0,0,0,0);
  delay(200);
}

void runningLED(bool a,bool b,bool c,bool d,bool e,bool f,bool g,bool h) {
  if(a==1){
  digitalWrite(1,HIGH);
  }else{
    digitalWrite(1,LOW);
  }

if(b==1){
  digitalWrite(2,HIGH);
  }else{
    digitalWrite(2,LOW);
}

if(c==1){
  digitalWrite(3,HIGH);
  }else{
    digitalWrite(3,LOW);
}

if(d==1){
  digitalWrite(4,HIGH);
  }else{
    digitalWrite(4,LOW);
}

if(e==1){
  digitalWrite(5,HIGH);
  }else{
    digitalWrite(5,LOW);
}

if(f==1){
  digitalWrite(6,HIGH);
  }else{
    digitalWrite(6,LOW);
}

if(g==1){
  digitalWrite(7,HIGH);
  }else{
    digitalWrite(7,LOW);
}

if(h==1){
  digitalWrite(8,HIGH);
  }else{
    digitalWrite(8,LOW);
  }
}